If you plan to work with Eagle, I recommend the SparkFun Eagle library, and the AdaFruit Eagle library. They have many parts that will be helpful in your projects. Also, newark.com has libraries for some parts.
If you plan to work with Eagle, I recommend the SparkFun Eagle library, and the AdaFruit Eagle library. They have many parts that will be helpful in your projects. Also, newark.com has libraries for some parts.